Case 3 Help me answer part 1, 2 and 4

Case 3 Part 1 (30%) - How to Pay Mark? Consider this situation Julie is the owner of an airport shuttle. The shuttle transports passengers between Bowling Green and the Nashville Airport. Most customers pay with cash because there is a big discount. Since she is old and spends most of the time in Florida, she hired Mark, as the only employee and driver. Julie is far away from Bowling Green, therefore she has to believe Mark unless there is an unambiguously clear evidence against Mark's claim/report. Assione that Mark is rational (in economics, rational is monymous with selfish) and he will always cheat on Julie if doing so is beneficial (increasing his monetary benefits). Julie is considering the following five possible compensation methods. Pay Mark a flat salary (e.g., $3,500 each month) II Pay Mark an amount equal to reported revenue less fixed amount (e.g., reported revenue less $3, 000; negative pay if reported revenue